struct _ibbox*next;
} ibbox_t;
-ibbox_t* ibbox_new(int x1, int y1, int x2, int y2);
+ibbox_t ibbox_clip(ibbox_t* outer, ibbox_t* inner);
+
+ibbox_t* ibbox_new(int x1, int y1, int x2, int y2, int rowsize);
void ibbox_destroy(ibbox_t*b);
-ibbox_t*get_bitmap_bboxes(unsigned char*alpha, int width, int height);
+ibbox_t*get_bitmap_bboxes(unsigned char*alpha, int width, int height, int rowsize);
#ifdef __cplusplus
}